R1:427cc221499d

Rename protocol adapter classes

Summary: Ref T5655. Rename protocol adapter classes to remove `Base` from the class name.

Test Plan: Unit tests still pass.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T5655

Differential Revision: https://secure.phabricator.com/D12563